Features
Applications
■ Power supplies
■ Stepper motor drives
■ Thick film technology
■ Power rating of 0.25, 0.5 or 1 watt at 70 °C
■ Strong pulse performance
■ RoHS compliant*
CRM0805/1206/2010 Chip Resistors
Electrical Characteristics
Characteristic
General Information
®
Bourns CRM Series are thick film chip
Model
Model
Model
resistors with high power ratings making
them suitable for different applications in
power supply circuits including current
sensing, current limiting and high pulse
resistance.
CRM0805
CRM1206
CRM2010
Power Rating @ 70 °C
Operating Temperature Range
Derated to Zero Load at
0.25 W
0.5 W
-55 °C to +155 °C
+155 °C
1 W
Maximum Working Voltage
47 mohms to 910 mohms
1 ohm to 1 megohm
Insulation Resistance
Resistance Range
Characteristic Data
551 mV
150 V
675 mV
200 V
>1000 megohms
954 mV
200 V
Test
ΔR Max.
Load Life (1000 hoursꢂ
Rated Voltage @ 70 °C
(1.5 hrs. on, 0.5 hrs. offꢂ
1 ꢀ Tolerance
47 mohms to 910 mohms ( 1 ꢀ and 5 ꢀ, ꢁ24 Seriesꢂ
1 ohm to 1 megohm ( 1 ꢀ, ꢁ96 Seriesꢂ
0 ohm, 1 ohm to 1 megohm ( 5 ꢀ, ꢁ24 Seriesꢂ
< 1 ꢀ
< 3 ꢀ
5 ꢀ Tolerance
Resistance Tolerance
1 ꢀ, 5 ꢀ
Short Term Overload
(5 X Rated Power for 5 sec.ꢂ
1 ꢀ Tolerance
Temperature Coefficient
47 mohms to 91 mohms
( 1 ꢀ and 5 ꢀ, ꢁ24 Seriesꢂ
< 1 ꢀ
< 2 ꢀ
(1ꢂ
(2ꢂ
(1ꢂ
200 ppm
100 ppm
100 ppm
100 ppm
5 ꢀ Tolerance
100 mohms to 910 mohms
Thermal Shock
(2ꢂ
( 1 ꢀ and 5 ꢀ, ꢁ24 Seriesꢂ
100 ppm
100 ppm
100 ppm
100 ppm
100 ppm
(5 Cycles: -55 °C/30 min.;
+25 °C/2-3 min.; +155 °C/
30 min.; +25 °C/2-3 min.ꢂ
1 ꢀ Tolerance
1 ohm to 1 megohm
( 1 ꢀ, ꢁ96 Seriesꢂ
(3ꢂ
100 ppm
100 ppm
0 ohm, 1 ohm to 1 megohm
< 0.5 ꢀ
< 1 ꢀ
( 5 ꢀ, ꢁ24 Seriesꢂ
200 ppm
5 ꢀ Tolerance
ꢁxceptions:
(1ꢂ
47 mohms to 91 mohms (-25 °C to +55 °Cꢂ: 150 ppm (CRM2010ꢂ, 200 ppm (CRM1206ꢂ
100 mohms to 910 mohms (-25 °C to +55 °Cꢂ: 150 ppm (CRM0805ꢂ
1 ꢀ, 1 ohm to 9.76 ohms (-55 °Cꢂ: 150 ppm (CRM0805ꢂ
For Standard Values Used in Capacitors,
Inductors and Resistors, click here.
(2ꢂ
(3ꢂ
Product Dimensions
L
Model
L
W
C
D
T
2.00 0.15
1.20 0.15
0.40 0.20
0.40 0.20
0.50 0.10
CRM0805
CRM1206
CRM2010
W
(0.079 0.006ꢂ (0.047 0.006ꢂ (0.016 0.008ꢂ (0.016 0.008ꢂ (0.020 0.04ꢂ
3.10 0.15
(0.122 0.006ꢂ (0.063 0.006ꢂ (0.020 0.010ꢂ (0.020 0.010ꢂ (0.022 0.004ꢂ
5.00 0.20 2.50 0.20 0.60 0.25 0.60 0.25 0.60 0.10
(0.197 0.008ꢂ (0.098 0.008ꢂ (0.024 0.010ꢂ (0.024 0.010ꢂ (0.024 0.004ꢂ
1.60 0.15
0.50 0.25
0.50 0.25
0.55 0.10
T
C
D
Recommended Solder Pad Layout
L
B
Model
A
B
L
1.3
1.15
1.2
CRM0805
(0.051ꢂ
(0.045ꢂ
(0.047ꢂ
A
1.8
1.3
2.1
CRM1206
CRM2010
(0.071ꢂ
(0.051ꢂ
(0.083ꢂ
3.0
1.5
3.8
Cu TRACE
(0.118ꢂ
(0.059ꢂ
(0.149ꢂ
SENSING TRACE
MM
(INCHES)
DIMENSIONS:
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.